CN108408900A - Composite reaction device for wastewater treatment - Google Patents

Composite reaction device for wastewater treatment Download PDF

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Publication number
CN108408900A
CN108408900A CN201810270269.XA CN201810270269A CN108408900A CN 108408900 A CN108408900 A CN 108408900A CN 201810270269 A CN201810270269 A CN 201810270269A CN 108408900 A CN108408900 A CN 108408900A
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CN
China
Prior art keywords
pond
water
wastewater treatment
reaction device
compatibility pool
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810270269.XA
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Chinese (zh)
Inventor
邓杰帆
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DONGGUAN INSTITUTE OF ENVIRONMENTAL SCIENCE
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DONGGUAN INSTITUTE OF ENVIRONMENTAL SCIENCE
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Priority to CN201810270269.XA priority Critical patent/CN108408900A/en
Publication of CN108408900A publication Critical patent/CN108408900A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1268Membrane bioreactor systems
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/32Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The present invention relates to technical field of waste water processing, more particularly to a kind of composite reaction device for wastewater treatment, compared with routine biochemistry technology, the waste treatment capacity of the present apparatus is strong, it is easy to operate, purification efficiency is high, operating cost is low, COD, ammonia nitrogen, total nitrogen and the total phosphorus in waste water can be efficiently removed, water outlet is stablized;Pass through the mutual cooperation between oxygen compatibility pool, anaerobic pond and this three of membrane biological reaction pond, resource recycling is carried out to the various resources (C, N, P) in waste water, power-assisted output economic plants, in turn, economic plants also can further remove the substances such as nitrogen, phosphorus in water removal, improve effluent quality.

Description

Composite reaction device for wastewater treatment
Technical field
The present invention relates to technical field of waste water processing more particularly to a kind of composite reaction devices for wastewater treatment.
Background technology
Currently, the treatment technology for waste water is more, common processing mode has advanced oxidation processes, physico-chemical process, bioanalysis (containing biochemical process and ecological method) etc., wherein advanced oxidation processes generally comprise Fenton oxidation, catalytic ozonation, physical field collaboration The technologies such as advanced oxidation;Physico-chemical process generally comprises the technologies such as Coagulation Method, magnetic separation method, active carbon adsorption;Biochemical process generally wraps Include anaerobism and oxygen and aerobic treatment technology;Ecological method mostly uses wetland and plant to handle.Above several technologies have their own advantages, It is respectively suitable for the processing of the organic wastewater of different occasions, however, there are also respective defects, are embodied in:
(1) investment of conventional high-level oxidation technology is big, operating cost is high, especially in big yield processing procedure, at This bigger, and it is difficult to handle up to standard, there must be subsequent biochemical facility, larger molecular organics difficult to degrade are oxidized to be easy to The small organic molecule of decomposition however, biochemical facility generally takes up a large area, operating cost is high, and aoxidizes used strong oxygen Agent causes harmful effect to subsequent biochemical processing.In addition, according to physical field (as ultrasonic, ultraviolet, microwave) come to water body into Row collaboration is handled, although can improve reaction speed and removal rate, but still is difficult to ensure qualified discharge, and physical field general action Distance is shorter, and for the water body that area is larger, the effect played is poor;
(2) physico-chemical process treatment effect is preferable, also more stable.But it directly can not be from directly going with Coagulation Method in water body Depollution object, only precipitates pollutant, and coagulant is also easy to cause secondary pollution.If using absorption method in water body, It due to existing regneration of adsorbent material poor performance, causes investment and water process costly, thus is difficult to be widely used;
(3) Wastewater by Biochemical Treatment is mainstream technology, but all tend to occur to be difficult to cultivation or be hit can force difference the problems such as, Though operating cost is lower than high-level oxidation technology, an investment cost height takes up an area greatly, tackles the waste water of the pollutant containing COMPLEX MIXED It is often difficult to up to standard;In addition the hardly degraded organic substance in water body is also difficult to be utilized;
(4) ecological method mostly uses wetland and plant society, and there is also take up an area problem big, that efficiency is low.
Invention content
The purpose of the present invention purifies waste water efficiently at low cost.
For this purpose, a kind of composite reaction device for wastewater treatment is provided, including purification reaction pond, purification reaction are set in pond There are oxygen compatibility pool, anaerobic pond and membrane biological reaction pond, waste water to enter in composite reaction device from the water inlet on oxygen compatibility pool, flow successively Through oxygen compatibility pool, anaerobic pond and membrane biological reaction pond, composite reaction device is flowed out from the water outlet on membrane biological reaction pond;
It is hung with biologic packing material in oxygen compatibility pool, bottom of pond is equipped with aerator come to being supplied oxygen in oxygen compatibility pool;
It is placed with denitrification filler in anaerobic pond, also launches that have under anaerobic environment can be to micro- life that nitrogen, phosphorus are degraded Object;
Floating stuffing is placed in membrane biological reaction pond, water outlet is provided with biological filter membrane;
On the water surface of one or more of oxygen compatibility pool, anaerobic pond, this three of membrane biological reaction pond, kind is implanted with aquatic plant Object.
Further, also being launched in anaerobic pond has light mineral.
Further, microorganism is stated in light mineral embedding residence.
Further, the light mineral be one kind in expanded graphite, expanded vermiculite, expanded perlite or volcanic rock or It is a variety of.
Further, in oxygen compatibility pool, the bottom of biologic packing material is 30-70cm away from bottom of pond.
Further, the biological filter membrane is MBR films, and the bottom of pond in the membrane biological reaction pond also is provided with aerator to supply Oxygen.
Further, the water inlet on oxygen compatibility pool is equipped with step water tooth weir to filter impurities in water.
Further, the sidewall bottom of the anaerobic pond carrys out filtrating impurity in water equipped with mesh screen.
Further, the biologic packing material is Carbon fibe filler, basalt fibers, helical packing, gimp filler, aquatic-weed-shaped It is one or more in filler.
Further, the composite reaction device is using continuum micromeehanics, the method for operation of interval water outlet, pumping time For 9min/1min;The dissolved oxygen content of oxygen compatibility pool, anaerobic pond and membrane biological reaction pond be respectively 0.5-1mg/L, 0mg/L and 2mol/L。
Advantageous effect:
Compared with routine biochemistry technology, the present invention has following remarkable advantage:
1) waste treatment capacity is strong, easy to operate, purification efficiency is high, operating cost is low, can efficiently remove in waste water COD, ammonia nitrogen, total nitrogen and total phosphorus stablize water outlet;
2) by the mutual cooperation between oxygen compatibility pool, anaerobic pond and this three of membrane biological reaction pond, to various in waste water Resource (such as CO2, N, P) carry out resource recycling, power-assisted output economic plants, in turn, economic plants also can further go The substances such as nitrogen, phosphorus in water removal improve effluent quality.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structural schematic diagram of composite reaction device.
Specific implementation mode
The invention will be further described with the following Examples.
See that Fig. 1, composite reaction device are made of three reaction tanks, is from left to right divided into oxygen compatibility pool 1 in Fig. 1, detests Oxygen pond 2 and membrane biological reaction pond 3, the volume in each pond may be the same or different.Wherein, in oxygen compatibility pool 1 from left to right equidistantly Five layers of gimp filler 11 are hung, away from bottom of pond about 50cm, the bottom of pond of oxygen compatibility pool 1 is equipped with aerator 4 for the bottom of every layer of gimp filler 11, Come to oxygen supply in oxygen compatibility pool 1.The side wall of oxygen compatibility pool 1 is equipped with perforation water distributor 12, and perforation water distributor 12 is by the water in oxygen compatibility pool 1 It crosses into anaerobic pond 2.It should be noted that due to closer from aerator 4, flow agitation is stronger, and water oxygen level is higher, thus The closer the bottom of gimp filler 11 the better away from bottom of pond, but too close from obtaining, and flow agitation is too strong, then is unfavorable on gimp filler 11 Biotic component food chain, rule of thumb, the bottom of gimp filler 11 are preferred away from bottom of pond 50cm.
About 2.4m is placed in anaerobic pond 23Denitrification filler 21, the bottom of the filler is also about 50cm away from bottom of pond.Anaerobism The sidewall bottom in pond 2 is equipped with mesh screen 22, and sundries just flows into film biology by after the filtering of mesh screen 22 in the water in anaerobic pond 2 In reaction tank 3.About 2m is placed in membrane biological reaction pond 33Floating stuffing 31 and be made of the ultrafiltration membrane of the big flux of antipollution MBR films group 32, the pore size filter of the MBR films group 32 is 0.03-0.3 μm, can retain most of pollution particulate matter.Membrane bioreaction Answer the bottom of pond in pond 3 that aerator 4 also is provided with to be supplied oxygen to membrane biological reaction pond 3.
In addition, all added in three reaction tanks through cultivate acclimated microorganism, such as under anaerobic can to nitrogen, phosphorus into The functional flora of row degradation, microorganism biofilm on the filler in reaction tank.It has also added in three reaction tanks and has made with catalysis Light mineral synchronizes catalytic decomposition and biochemical decomposition to realize, such as expanded graphite, expanded vermiculite, expanded perlite or volcano It is one or more in rock, to add Ca, Mg, Zn, Mo, Co, Mn, Cu, Fe needed for bacteria metabolism for reaction tank Equal trace elements reduce microorganism impressions, therefore can reduce expense to improve microbial activity.Further, with lightweight mine Object gets up microorganism embedding with fixation.
On the water surface of three reaction tanks, it is also placed with water-immersed fixed frame 5, kind is implanted with water planting vegetable on fixed frame 5 Dish.
Composite reaction device quilt from river with sewage pump 6 in use, extract waste water out, and waste water is delivered to composite reaction The water inlet of device constantly pours into composite reaction device from water inlet.Wherein water inlet is equipped with step water tooth weir 13, when in weir Only water when waste water is less than weir crest, at this time weir play water blocking;If waste water continues to pour into weir, when water level rises to weir crest, give up Water is just overflowed across from weir crest.In this process, most of impurity in waste water (suspended matter etc. in sludge, water) is blocked in weir Before plate so that the waste water relative clean for overflowing across weir plate achievees the purpose that preliminary purification waste water.
It is flowed into oxygen compatibility pool 1 by the waste water of preliminary purification, due to having abundant biocoene on gimp filler 11, constitutes The food chain that is made of bacterium, algae, protozoan, metazoa, organic matter and nutrients contained in waste water by with Food chain contacts, and is migrated and is converted, is finally degraded to CO2, H2O, NH3-N, the substances such as NOx-N, PO4.These substances In PO4, NH3-N, NOx-N enters with flow in anaerobic pond 2, and wherein PO4 is degraded by microorganisms into organic phosphorus P, NH3-N, NOx-N are reduced into organic nitrogen N in the denitrification process of denitrification filler 21.N, CO2, P are made by vegetable aquaculture It is fully absorbed for fertilizer, vegetable aquaculture is made to grow more preferably, realize economic benefit.Further, since the food on gimp filler 11 Chain can efficiently consume bacterium, algae, protozoan, ultimately generate the larger rear life of build by the principle that big fish swallowing little fish Animal makes the biomass in reaction tank be greatly reduced, therefore the surplus sludge volume in reaction tank is also just seldom, only activated sludge It is primary sludge can be just discharged in 1-2 months in the 1/20 of method technique.
After water enters membrane biological reaction pond 3, composite reaction device is extracted under the pumping of external aspiration pump Outside, in the process, can be suspended filler 31 by the sundries of mesh screen 22 and adsorb in water, the metazoa in water due to Build is larger, can also be retained by MBR films group 32, finally realize mud-water separation.
Compared with routine biochemistry technology, composite reaction device has following remarkable advantage:
1) waste treatment capacity is strong, easy to operate, purification efficiency is high, operating cost is low, can efficiently remove in waste water COD, ammonia nitrogen, total nitrogen and total phosphorus stablize water outlet;
2) by the mutual cooperation between oxygen compatibility pool 1, anaerobic pond 2 and this three of membrane biological reaction pond 3, to each in waste water Kind resource (C, N, P) carries out resource recycling, and power-assisted output economic plants, in turn, economic plants also can further remove The substances such as nitrogen, phosphorus in water improve effluent quality.
It is of course also possible to use other threadinesss such as Carbon fibe filler, basalt fibers, helical packing, aquatic-weed-shaped filler Specialty bio filler substitutes gimp filler 11.Denitrification filler 21 can be sponge iron, bimetallic or iron carbon.Floating stuffing 31 It can select one or more in polyhedron empty ball, polyurethane sponge, active carbon particle, straw.Also may be used on fixed frame 5 Plant other economic aquatic plants.
Further, composite reaction device is using continuum micromeehanics, the method for operation of interval water outlet, pumping time The dissolved oxygen content of 9min/1min, oxygen compatibility pool 1, anaerobic pond 2 and membrane biological reaction pond 3 are controlled respectively in 0.5-1mg/L, 0mg/L With 2mol/L or so, the preferable environment for being suitble to existence is created for microorganism.Preferably, defeated between sewage pump 6 and oxygen compatibility pool 1 Pump capacity meter 7 is serially connected on water pipe to count into water, it is molten in three ponds to control that composite reaction device enters water accordingly Solve oxygen content.
It should be noted that gimp filler 11 and its degradation process, denitrification filler 21 and its denitrification process, suspension are filled out Expect that 31 these technologies are existing, thus the present embodiment is not unfolded the structure of these technologies, principle, in order to avoid repeat.Most Afterwards it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to the limit of the scope of the present invention System, although being explained in detail to the present invention with reference to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be with Technical scheme of the present invention is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention.

Claims (10)

1. for the composite reaction device of wastewater treatment, including purification reaction pond, it is characterized in that:
Oxygen compatibility pool, anaerobic pond and membrane biological reaction pond are equipped in purification reaction pond, waste water enters group from the water inlet on oxygen compatibility pool It closes in reaction unit, followed by oxygen compatibility pool, anaerobic pond and membrane biological reaction pond, from the water outlet outflow on membrane biological reaction pond Composite reaction device;
It is hung with biologic packing material in oxygen compatibility pool, bottom of pond is equipped with aerator come to being supplied oxygen in oxygen compatibility pool;
Denitrification filler is placed in anaerobic pond, also launching has the microorganism that can be degraded to nitrogen, phosphorus under anaerobic environment;
Floating stuffing is placed in membrane biological reaction pond, water outlet is provided with biological filter membrane;
On the water surface of one or more of oxygen compatibility pool, anaerobic pond, this three of membrane biological reaction pond, kind is implanted with water plant.
2. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:Also being launched in anaerobic pond has Light mineral.
3. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:The light mineral embedding State microorganism in residence.
4. the composite reaction device according to claim 2 or 3 for wastewater treatment, it is characterized in that:The light mineral It is one or more in expanded graphite, expanded vermiculite, expanded perlite or volcanic rock.
5. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:In oxygen compatibility pool, biology The bottom of filler is 30-70cm away from bottom of pond.
6. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:The biological filter membrane is The bottom of pond of MBR films, the membrane biological reaction pond also is provided with aerator to supply oxygen.
7. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:Water inlet on oxygen compatibility pool Place is equipped with step water tooth weir to filter impurities in water.
8. the composite reaction device according to claim 1 or claim 7 for wastewater treatment, it is characterized in that:The anaerobic pond Sidewall bottom carrys out filtrating impurity in water equipped with mesh screen.
9. the composite reaction device for wastewater treatment according to claim 1,2,3,5 or 6, it is characterized in that:The life Object filler is one or more in Carbon fibe filler, basalt fibers, helical packing, gimp filler, aquatic-weed-shaped filler.
10. the composite reaction device according to claim 1 for wastewater treatment, it is characterized in that:The composite reaction dress Set the method for operation using continuum micromeehanics, interval water outlet, pumping time 9min/1min;Oxygen compatibility pool, anaerobic pond and film life The dissolved oxygen content of object reaction tank is 0.5-1mg/L, 0mg/L and 2mol/L respectively.
CN201810270269.XA 2018-03-29 2018-03-29 Composite reaction device for wastewater treatment Pending CN108408900A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108751624A (en) * 2018-08-20 2018-11-06 深圳市南科环保科技有限公司 A kind of method of the municipal decentralized wastewater of processing and combinations thereof equipment
CN109502749A (en) * 2018-11-23 2019-03-22 武汉理工大学 One kind moving green top-type anti-clogging sewage treatment process
CN110713257A (en) * 2019-10-24 2020-01-21 广东亮科环保工程有限公司 System and method for purifying rural domestic sewage by using integrated device

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CN206872521U (en) * 2017-06-15 2018-01-12 昆明麦能环境工程有限公司 Efficient ecological cell modular wetland device
CN207062109U (en) * 2017-07-17 2018-03-02 广西博世科环保科技股份有限公司 Integrated film biological wastewater treatment systems

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CN206872521U (en) * 2017-06-15 2018-01-12 昆明麦能环境工程有限公司 Efficient ecological cell modular wetland device
CN207062109U (en) * 2017-07-17 2018-03-02 广西博世科环保科技股份有限公司 Integrated film biological wastewater treatment systems

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108751624A (en) * 2018-08-20 2018-11-06 深圳市南科环保科技有限公司 A kind of method of the municipal decentralized wastewater of processing and combinations thereof equipment
CN109502749A (en) * 2018-11-23 2019-03-22 武汉理工大学 One kind moving green top-type anti-clogging sewage treatment process
CN109502749B (en) * 2018-11-23 2021-08-10 武汉理工大学 Movable green-top anti-blocking sewage treatment process
CN110713257A (en) * 2019-10-24 2020-01-21 广东亮科环保工程有限公司 System and method for purifying rural domestic sewage by using integrated device

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